If radus of earth shrinks by `0.1%` without change in its mass, the percentage change in the duration of one day

If the radius of earth shrinks by 0.2% without change in its mass, the % change in its angular velocity is

If the radius of the earth shrinks by "25%" without change in its mass,the time duration of one day will be "

If the radius of the earth shrinks by 0.2% without any change in its mass, the escape velocity from the surface of the earth

When a radius of earth is reduced by 1% without changing the mass, then change in the acceleration due to gravity will be

If radius of the earth is doubled without change in its mass, what will be the length of the day?

If earth shrinks then the duration of day

If the radius of the earth is doubled without changing its mass, what will be the change in weight of body of m on the surface of earth ?

Assertion : If radius of earth suddenly shrinks to half its present without changing its mass value, then the period of an earth's satellite will not change Reason : Time period of a satellite does not upon the mass of earth.

Assertion : If radius of earth suddenly shrinks to half its present without changing its mass value, then the period of an earth's satellite will not change Reason : Time period of a satellite does not upon the mass of earth.

A satellite is revolving around earth in its equatorial plane with a period T . If the radius of earth suddenly shrinks to half without change in the mass. Then, the new period of revolution will be